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Electronic Volume Converter

Model EK220

GAS/DENSITY DATA TO BE SET IN OUR LABORATORY BEFORE DELIVERY

ON REQUEST, POWER SUPPLY WITH SEPARATE INTRINSIC BARRIER

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00000050555

VOLUME CONVERTER - Mod. EK220

3.400,00 Excl. Taxes

Physical data

UM Base:
PZ

Dimension:
27 × 20 × 35 cm

Volume:
0.0195 m3

Weight:
2,62 kg

Minimum Order Quantity:
1

Customs data

Customs Code
90289090

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Product informations

EK220, the battery-powered electronic volume converter with flexible data logger function and configurable serial interface; this device detects low-frequency pulses of the measured gas volume under operating conditions from a gas meter, measures the operating pressure and temperature of the gas, calculates the compressibility coefficient K and the conversion factor C. Using these data it is possible to calculate the gas volumes at standard conditions, the flow rate values ​​at standard conditions and the flow rate values ​​at operating conditions.

 

Product features

  • consisting of a central unit equipped with an integrated or external pressure sensor and a temperature sensor
  • the sensors are permanently connected to the unit
  • the compressibility coefficient K can be programmed as a fixed value for all gases
  • used for various applications in the field of natural gas measurement and station monitoring
  • high accuracy
  • four sealable and freely programmable digital outputs
  • optical interface for parameterization and reading (IEC 62056-21)

 

Applications

  • conversion of gas volumes for billing purposes
  • data storage (data logging) for various applications
  • assembly of measured values ​​and typical functions of a measuring station

Technical Features

METRIC APPROVALS
  • complies with European standard EN 12405-1:2005 + A1:2016
  • gas volume conversion device MID DE-08-MI 002-PTB 001 (PTZ conversion)
ATEX APPROVED Zone 1, EEx ia IIC T4
ENVIRONMENTAL CONDITIONS - 25°C ÷ + 55°C
BATTERY POWERED one lithium battery (service life > 5 years under normal operating conditions), optional additional battery to double the life of the main battery
EXTERNAL POWER SUPPLY external supply unit 5 - 10 VDC, I < 30 mA (in combination with a serial interface)
CONTROL PANEL 4 buttons keyboard
INPUT 3 digital inputs for connecting low-frequency pulse transmitters and signaling status via messages (e.g.: anti-tamper contact)
TEMPERATURE SENSOR
  • Pt-500 (or optionally Pt-100) resistance thermometer according to DIN 60751, with thermowell, for use with thermowell
  • installation length 50 mm, Ø 6 mm, cable length 2.5 m
STORAGE 2 monthly archives, 1 daily archive, 1 measurement archive (content and logging interval are fixed) 1 process data archive, 1 measurement archive, 4 flexible additional archives (content, logging interval and additional events can be selected that generate a record)
LOGS

event log

  • recording of non-periodic events (e.g. time changes with timestamp) - Memory capacity: 500 records Change log (Audit trail)
  • logging of all parameters and value changes (timestamp, old and new values)
  • storage capacity: 200 records Certification data log
  • recording of parameter changes and values ​​(time stamp, old and new values) which are normally accessible under the calibration key
  • memory capacity: 50 records
PULSES OUTPUTS

4 digital transistor outputs, freely programmable and lockable with calibration lock such as

  • pulse outputs of all operating volume counters or standard volumes
  • outputs for signaling alarm and/or warning states
DATA INTERFACE
  • optical interface compliant with the IEC 62056-21 standard
  • internal serial interface usable in RS232 or RS485 mode
COMMUNICATION PROTOCOLS
  • IEC 62056-21 (IEC 1107)
  • Modbus ASCII / RTU
  • IDOM - SMS
CASE MATERIAL in cast aluminium, for wall or counter mounting
DISPLAY two-line dot matrix with description in text format of the displayed values; display of all parameters, settings and values ​​stored in the archive
DEGREE OF PROTECTION IP66 (protected against strong jets of water from any direction and completely sealed against dust and fumes) - suitable for outdoor installation
DIMENSIONS 126 x 120 x 90 mm (HxLxP) connection excluded
WEIGHT 1,5 kg approx (batteries included)

 

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